Test your basic knowledge |

Dairy Cattle And Reproduction

Subjects : industries, dairy
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Provide nourishment for the developing sperm






2. Serves as a bone cradle for the reproductive system. used greatly in palpation as a 'landmark'.






3. (switzerland) 2nd in size and milk production - most muscle -






4. 30-38 hours after estrus cycle begins






5. Animals which have many estrous periods during certain periods per year (ex: mare - ewe)






6. Start of the reproductive tract for the female. located outside of the body






7. (LH) stimulates the Leydig cells to produce testosterone






8. BST given to dairy cattle makes the mammary gland more persistent - helps produce more milk. good as Long-term because it does not cause cow to bulk up - provides more milk/cow Which means less cows needed - less cows need to be given feed - lower co






9. Depository for semen during insemination. where urine leaves the body






10. When are steers and heifers weaned from bottle feeding?






11. Can produce 200 calves naturally (~100 bulls) - top 1-2% will grade like him. everything left to chance if no AI performed






12. Failure to have one testis (gonad) to descend






13. 1-3 days






14. Small tubes located at the upper ends of the uterine horns. connects uterine horn to infundibulum. passageway of the egg.






15. Organ of copulation - provides passageway for semen and urine - muscular organ characterized especially by its spongy - erectile tissue that fills with blood






16. Knife-loose ~1wk of growth. band-loose ~2wks of growth.






17. Examine accessory glands - also to know how big the pelvic opening is->heritable->relates to how much dystocia that bull's daughter has






18. Animals which have many estrous periods during certain periods per year (ex: mare - ewe)






19. Provide nourishment for the developing sperm






20. Why Dairy calves are fed powdered milk.






21. To remove/separate testicles from animal's body before animal reaches puberty






22. 24 hours before end of estrus cycle






23. ~60 days before calving






24. Sperm production






25. Not under a timeline - cow can not be sold as steak






26. Head - neck - mid-piece - tail. genetic material - has an enzyme covering that allows it to penetrate the egg






27. Animal which has been castrated after puberty






28. Knife-loose ~1wk of growth. band-loose ~2wks of growth.






29. 4-6 days






30. Located directly in front of the cervix. fertilized egg implants here. connected to two uterine horns. implantation occurs on the same side as ovulation occurred.






31. Birthing process (termination of gestation)






32. Days which have increasing daylight hours


33. (from Jersey Islands in Great Britain) Smallest cow - least milk - highest butterfat %






34. 19-23 (21) days






35. 1. need to be restricted in amt of grain - 2. no more than 70% of ration can be concentrates. 3. *Acidic acid has to be produced in order for milk synthesis to occur (30% forages)






36. 336 days






37. FEED






38. Parturition is controlled by...






39. Allows extension of penis without fibro-elastic penis






40. Milk is 15% ________ and 85% __________.






41. 265-285 days






42. FEED






43. (male) definition: duct located outside of the testes. 3 parts: head - body - tail. 4 Functions:concentrate sperm - store sperm - transport sperm - site of sperm maturation. entire process takes ~40-60 days






44. 16-20 hours






45. 30 hours after estrus begins






46. Animals which have only one estrous cycle (ex: dog - fox)






47. Urinary calculi.






48. BST given to dairy cattle makes the mammary gland more persistent - helps produce more milk. good as Long-term because it does not cause cow to bulk up - provides more milk/cow Which means less cows needed - less cows need to be given feed - lower co






49. 1-2 days






50. Contains and regulates the temp of the testes for sperm production